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Finding the Fourth Proportional to 554,811.80, 832,217.70 and 200,226.20

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Solution

The fourth proportional to 554,811.80, 832,217.70 and 200,226.20 is: 300,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,811.80 : 832,217.70 = 200,226.20 : x
  2. Step 2: Convert to fraction form
    554,811.80/832,217.70 = 200,226.20/x
  3. Step 3: Cross multiply
    554,811.80x = 832,217.70 × 200,226.20
  4. Step 4: Simplify right side
    554,811.80x = 166,631,787,643.74
  5. Step 5: Solve for x
    x = 166,631,787,643.74/554,811.80
  6. Step 6: Final answer
    x = 300,339.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.